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V-Lab

Oslo Stock Exchange All Share Index GJR-GARCH Volatility Analysis

Volatility prediction for Friday, July 17th, 2026

1 Day

15.28%

increased by 1.88%

1 Week

15.62%

increased by 2.22%

1 Month

16.63%

increased by 3.23%

Analysis last updated: Monday, July 20, 2026 at 02:14 AM UTC

Date Range:

from

to

6M ·

1Y ·

2Y ·

5Y ·

10Y ·

All

graph of Oslo Stock Exchange All Share Index GJR-GARCH

News Impact Curve

How returns affect tomorrow's volatility

Volatility Forecast

How volatility evolves over time

Parameter Estimates

Jan 1, 1990 to May 15, 2026

Model Insight

This asset exhibits a strong leverage effect: negative returns increase next-day volatility 253% more than equivalent positive returns.

σ

GJR-GARCH Model

Tap to view equation

ParameterValuet-statistic
ω

const

Unconditional variance weight

0.0580
19.09***
α

ARCH

Response to squared shocks

0.0504
18.39***
β

GARCH

Volatility persistence

0.8466
237.80***
γ

leverage

Additional response to negative shocks

0.1275
17.85***

Persistence:

0.961

Half-life:

17 days